Children's encyclopedia "Why 100,000?" Extracurricular reading for primary school students (Building The Ultimate Brain)
| Country | USA |
| Brand | Behrman House |
| Manufacturer | Behrman House |
| Binding | Paperback |
| ItemPartNumber | 0874411300 |
| ReleaseDate | 2001-04-01 |
| UnitCount | 1 |
| EANs | 9780874411300 |